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ListBox.ExpandRow(Row as Integer)

Supported for all project types and targets.

The user has clicked on the disclosure triangle, or the expanded property was set to true programmatically, for a collapsed row that was added using AddFolder. Row is zero-based.


The rows are not persisted when the folder is later collapsed. Use the ExpandRow event handler to re-add rows as necessary.


This code adds children to the expanded row:

For childRow As Integer = 0 To 5
Me.AddRow("Child " + Str(childRow) + " of row " + Me.CellValueAt(row, 0))